PCBDDCGetDirichletBoundaries#

Gets the Dirichlet boundary degrees of freedom in global numbering

Synopsis#

#include "petscpc.h" 
PetscErrorCode PCBDDCGetDirichletBoundaries(PC pc, IS *DirichletBoundaries)

Not Collective

Input Parameter#

  • pc - the preconditioning context

Output Parameter#

  • DirichletBoundaries - index set of Dirichlet boundary degrees of freedom in global numbering, or NULL if not set

Notes#

The returned IS, if any, is the one supplied to PCBDDCSetDirichletBoundaries().

The returned IS is owned by pc; the caller must not destroy it.

See Also#

KSP: Linear System Solvers, PCBDDC, PCBDDCSetDirichletBoundaries(), PCBDDCGetDirichletBoundariesLocal()

Level#

intermediate

Location#

src/ksp/pc/impls/bddc/bddc.c

Implementations#

PCBDDCGetDirichletBoundaries_BDDC() in src/ksp/pc/impls/bddc/bddc.c


Index of all PC routines
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Index of all manual pages